 /* 样式初始化代码: 将页面中具有默认样式的标签样式统一设置,不能影响基本的网页布局 */
 body,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,dt,dd,li {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  color: #666;
}
a {
 text-decoration: none;
 color: #666;
}
input,img {
  vertical-align: middle;
  border: 0 none;
  outline: none;
  padding: 0;
}
.w {
  width: 1190px;
  margin: 0 auto;
}
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
button {
  border: none;
}
.left {
    float: left;
}
.right {
    float: right;
}